ProArt LC 420 all-in-one CPU liquid cooler with illuminated system status meter and three Noctua NF-A14 industrialPPC-2000 PWM 140mm radiator fans
  • Noctua NF-A14 industrialPPC-2000 PWM 140mm radiator fans deliver high airflow with minimal noise
  • Performance three-phase motor offers excellent cooling capability and quieter operation
  • Illuminated meter indicates the live system load, temperatures and fan speeds
  • 450 mm of reinforced sleeved tubing offers durability, flexibility and chassis compatibility
  • Thicker radiator with larger coolant storage to deliver enhanced cooling performance
  • Minimalist design perfectly complements the aesthetics of the ProArt-family components.
ProArt LC 420

ProArt LC 420 AIO Cooler

Quiet. Cool. Refined.

Experience unparalleled cooling performance and quiet operation. Powered by an performance three-phase motor and Noctua IndustrialPPC fans, the ProArt LC 420 expertly integrates premium tech into an elegantly understated design. An illuminated meter on the pump cover also provides live system stats in the signature minimalist ProArt manner for real-time information at a glance. And its subtle and graceful aesthetics add a touch of refinement to your setup. Cool, quiet, and classy—the perfect trifecta for any and all content creators.

Illuminated Meter


An innovative illuminated meter to display real-time PC build information, such as system load, temperatures, and fan speeds, allowing for a quick glance to understand the system's status.

The short animation of the ProArt LC 420 Illuminated Meter demonstrates how the Illuminated Meter can correspond to CPU Fan Speed, CPU Temp, CPU utilization, and Memory utilization on the pump to display varying light lengths, presenting visualized numerical values

Noctua IndustrialPPC Fan


To overcome the thermal challenges of the latest multi-core CPUs, the ProArt LC 420 offers Noctua NF-A14 industrialPPC-2000 PWM 140 mm radiator fans that deliver high performance and minimized noise.

  • 2000 RPM Fan Speed

  • 31.5 dB(A) Fan Noise

  • 4.18 mmH2O Fan air pressure

  • 107 CFM Airflow

Front view of Noctua NF-A14 industrialPPC-2000 PWM 140 mm radiator fans

The Evolution of Cool

  • Performance 3-Phase Motor Pump

  • 450 mm Durable Tubing

  • Thicker Radiator

Advanced three-phase motor offers excellent cooling capability and quieter operation.

A 45-degree angle photo of the Performance 3-Phase Motor Pump.

This tubing features a braided mesh sleeve for durability, and 450 mm of length for additional flexibility and chassis compatibility.

Side view photo of 450 mm Durable Tubing.

The thicker radiator's increased coolant storage capacity enables the ProArt LC 420 to deliver enhanced cooling performance.

Top-down view photo of the radiator.

Extensive Compatibility

The ProArt LC 420 features 450 mm of tubing and is compatible with a wide range of Intel® and AMD motherboard platforms, giving you ample processor and build flexibility.

CPU SOCKET SUPPORT

 Intel®

LGA 1700, 1200, 115X

AMD

AM5, AM4

Learn more about the latest support list
Interior 45-degree angle photo of the ProArt LC 420 PC Build.
Front view photo of the ProArt LC 420 PC Build.
45-degree angle photo of the ProArt LC 420 PC Build.
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